Thanks Gary! I've got some catching up to do it seems

On Wednesday, February 24, 2021 at 3:54:21 PM UTC-5 gjr80 wrote:

> Pat,
>
> v4.2.0 saw a new heatindex formula implemented, refer issue 601 
> <https://github.com/weewx/weewx/issues/601>. The new formula gives some 
> results in some circumstances that may appear counterintuitive. v4.3.0 
> added back the ‘old’ heatindex formula and gives the user the ability to 
> choose between the two algorithms . This is covered here 
> <http://www.weewx.com/docs/usersguide.htm#%5B%5BWXXTypes%5D%5D> in the 
> User’s Guide under [[[heatindex]]].
>
> By the looks of it you are seeing the ‘new’ algorithm.
>
> Gary
>
> On Thursday, 25 February 2021 at 06:36:38 UTC+10 pobri...@gmail.com wrote:
>
>> I thought heat index wasn't calculated unless the temperature was over 
>> 80F? Today it's about 49 F and I'm seeing heat index in my charts (which is 
>> reporting lower than temperature - I thought that was wind chill?). I don't 
>> recall seeing it before at this temperature range. 
>>
>> I just want to make sure this is expected for temperatures so low to have 
>> a heat index reading?
>>
>> Top graph is Seasons skin and bottom is Belchertown skin. The values 
>> match across skins
>>
>

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